
Hydrogen - Wikipedia
Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen is …
Hydrogen | Properties, Uses, & Facts | Britannica
Jan 16, 2026 · Hydrogen, a colorless, odorless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The earliest known chemical property of …
Plug Power | Green Hydrogen & Fuel Cell Solutions
Plug's hydrogen can power a spectrum of applications to help the world safely meet its environmental goals. Plug is building the global hydrogen ecosystem. Plug is driving energy independence forward …
This project aims to fill the existing knowledge gaps and investigate the fundamental aspects of H2 containing-fuel combustion to enable improved computational modeling for current and future gas …
H2 properties - Chemical Portal
Liquid hydrogen (H₂ (l)) represents the cryogenic liquid state of molecular hydrogen, existing below its critical temperature of 33.0 K. This cryogenic fluid exhibits a boiling point of 20.28 K at standard …
What is h2 in chemistry? - California Learning Resource Network
Apr 18, 2025 · Hydrogen (H 2), a diatomic molecule consisting of two hydrogen atoms covalently bonded, holds a position of paramount importance in chemistry, physics, and increasingly, in …
Hydrogen - NIST Chemistry WebBook
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of …
H2 Definition - Intro to Chemistry Key Term | Fiveable
H2 is the chemical formula for the diatomic molecule of hydrogen, which is the simplest and most abundant element in the universe. This term is crucial in understanding the phases and classification …
Hydrogen - Thermophysical Properties
Chemical, Physical and Thermal Properties of Hydrogen - H2. Hydrogen, H2, is a colorless, odorless gas. Hydrogen is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The …
Hydrogen - Formula, Properties, Uses, Facts - Study Chemistry
Hydrogen, symbol H, molecular formula H2 is a colourless, odourless, tasteless, flammable gaseous chemical substances among the periodic table family